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stateless    音标拼音: [st'etlɪs]
a. 没有国家的

没有国家的

stateless
adj 1: without nationality or citizenship; "stateless persons"
[synonym: {homeless}, {stateless}]

Stateless \State"less\, a.
Without state or pomp.
[1913 Webster]

A stateless {server} is one which treats each request as an
independent transaction, unrelated to any previous request.
This simplifies the server design because it does not need to
allocate storage to deal with conversations in progress or
worry about freeing it if a client dies in mid-transaction. A
disadvantage is that it may be necessary to include more
information in each request and this extra information will
need to be interpreted by the server each time.

An example of a stateless server is a {World-Wide Web} server.
These take in requests ({URLs}) which completely specify the
required document and do not require any context or memory of
previous requests.

Contrast this with a traditional {FTP} server which conducts
an interactive session with the user. A request to the server
for a file can assume that the user has been authenticated and
that the current directory and transfer mode have been set.


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英文字典中文字典相关资料:


  • What are PCGS Black Label Coins? - APMEX
    What are Black Label Coins? When you see a coin in a Professional Coin Grading Service (PCGS) encapsulation with a black label, you are looking at a unique and near perfect coin The PCGS Black Label is awarded to MS-70 coins with special or unique designations like First Strike or Early Release
  • The Ultimate Black Label — Collectors Universe
    The insert surrounding the coin was black, which provided a dramatic "pop" for untoned silver and gold coins; it proved unpopular for copper or dark coins Used only for a few months, before switching to a white insert
  • How to Read a Graded Coins Label — COIN COLLECTING TOOLS
    When you send a coin to be graded by a professional service like NGC, PCGS, or ANACS, it comes back encapsulated in a protective plastic holder—often called a slab On that slab is a printed label containing key information about your coin
  • Coin Acronyms and Abbreviations Explained | Glossary of Terms
    Use our guide to decipher what all the coin acronyms, abbreviations, and jargon are that you see online and in coin reference books
  • A Primer on PCGS and NGC Label Designations - ModernCoinMart
    Understand PCGS and NGC label designations and their significance in grading and valuing your coins
  • How to Read PCGS Labels
    The numbers following the slash is the unique PCGS serial number that refers to the specific example encapsulated within and is never used for any other coin Click image to enlarge
  • NGC and PCGS Special Grading Label Elements
    Both use similar labels that list a description of the coin and the appraised grade They also include a numerical and bar or QR code that refer back to the details about the individual coin on the company’s database
  • Learn about Certified Coin Labels | Provident
    On this scale, coins and rounds are graded from 1 to 70, with 1 being poor condition and 70 being flawless After a grade is assigned, the coin or round is individually sealed into a plastic capsule (also called a slab or holder) to preserve its graded condition
  • Coin Term Glossary | U. S. Mint
    A bag mark (or "bag damage") on a coin is an abrasion or scuff caused by contact with other coins in a mint bag Noticeable bag marks can affect a coin's grading, when its collectible value is assessed by a professional
  • SPECIAL LABELS - PCGS
    Enhance the presentation of your coins with PCGS Special Labels But hurry, PCGS eventually retires all Special Labels, adding a limited edition nature to these custom releases





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